A) Luminous energy emitted by the source per second
B) Luminous flux emitted by source per unit solid angle
C) Luminous flux falling per unit area of a given surface
D) Luminous flux coming per unit area of an illuminated surface
Correct Answer: B
Solution :
Luminous flux emitted by source per unit solid angleYou need to login to perform this action.
You will be redirected in
3 sec